Home / 12,672,001.30-19,008,001.95-7,620,711.70

Finding the Fourth Proportional to 12,672,001.30, 19,008,001.95 and 7,620,711.70

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Solution

The fourth proportional to 12,672,001.30, 19,008,001.95 and 7,620,711.70 is: 11,431,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,001.30 : 19,008,001.95 = 7,620,711.70 : x
  2. Step 2: Convert to fraction form
    12,672,001.30/19,008,001.95 = 7,620,711.70/x
  3. Step 3: Cross multiply
    12,672,001.30x = 19,008,001.95 × 7,620,711.70
  4. Step 4: Simplify right side
    12,672,001.30x = 144,854,502,853,987.81
  5. Step 5: Solve for x
    x = 144,854,502,853,987.81/12,672,001.30
  6. Step 6: Final answer
    x = 11,431,067.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.